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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <html> | 2 <html> |
3 <head> | 3 <head> |
4 <title>ScrollState's consumeDelta method throws on invalid deltas</title> | 4 <title>ScrollState's consumeDelta method throws on invalid deltas</title> |
5 <script src="../../../resources/testharness.js"></script> | 5 <script src="../../../resources/testharness.js"></script> |
6 <script src="../../../resources/testharnessreport.js"></script> | 6 <script src="../../../resources/testharnessreport.js"></script> |
7 </head> | 7 </head> |
8 <body> | 8 <body> |
9 <script> | 9 <script> |
10 | 10 |
11 if (!window.internals || !window.internals.runtimeFlags.scrollCustomizationEnabl
ed) { | 11 test(function() { |
12 console.log("These tests only work with window.internals exposed, " + | 12 assert_true('ScrollState' in window, "'ScrollState' in window"); |
13 "and require scroll customization."); | 13 }, "These tests only work with scroll customization enabled."); |
14 done(); | |
15 } | |
16 | 14 |
17 function testConsumingDelta(dx, dy, consume_x, consume_y, testName, expectedErro
r) { | 15 function testConsumingDelta(dx, dy, consume_x, consume_y, testName, expectedErro
r) { |
18 test(function() { | 16 test(function() { |
19 var scrollState = new ScrollState(dx, dy); | 17 var scrollState = new ScrollState(dx, dy); |
20 assert_throws('InvalidModificationError', function() { | 18 assert_throws('InvalidModificationError', function() { |
21 scrollState.consumeDelta(consume_x, consume_y); | 19 scrollState.consumeDelta(consume_x, consume_y); |
22 }); | 20 }); |
23 assert_equals(scrollState.deltaX, dx); | 21 assert_equals(scrollState.deltaX, dx); |
24 assert_equals(scrollState.deltaY, dy); | 22 assert_equals(scrollState.deltaY, dy); |
25 }, testName); | 23 }, testName); |
26 } | 24 } |
27 | 25 |
28 // Consume from an event with a delta of (5, 5). | 26 if ('ScrollState' in window) { |
29 testConsumingDelta(5, 5, 6, 4, "Overconsumed X"); | 27 // Consume from an event with a delta of (5, 5). |
30 testConsumingDelta(5, 5, 4, 6, "Overconsumed Y"); | 28 testConsumingDelta(5, 5, 6, 4, "Overconsumed X"); |
31 testConsumingDelta(5, 5, -1, 4, "Can't increase X delta"); | 29 testConsumingDelta(5, 5, 4, 6, "Overconsumed Y"); |
32 testConsumingDelta(5, 5, 4, -1, "Can't increase Y delta"); | 30 testConsumingDelta(5, 5, -1, 4, "Can't increase X delta"); |
| 31 testConsumingDelta(5, 5, 4, -1, "Can't increase Y delta"); |
33 | 32 |
34 // Consume from an event with a delta of (-5, -5). | 33 // Consume from an event with a delta of (-5, -5). |
35 testConsumingDelta(-5, -5, -6, -4, "Overconsumed X with negative delta"); | 34 testConsumingDelta(-5, -5, -6, -4, "Overconsumed X with negative delta"); |
36 testConsumingDelta(-5, -5, -4, -6, "Overconsumed Y with negative delta"); | 35 testConsumingDelta(-5, -5, -4, -6, "Overconsumed Y with negative delta"); |
37 testConsumingDelta(-5, -5, 1, -4, "Can't increase X delta magnitude"); | 36 testConsumingDelta(-5, -5, 1, -4, "Can't increase X delta magnitude"); |
38 testConsumingDelta(-5, -5, -4, 1, "Can't increase Y delta magnitude"); | 37 testConsumingDelta(-5, -5, -4, 1, "Can't increase Y delta magnitude"); |
| 38 } |
39 </script> | 39 </script> |
40 </body> | 40 </body> |
41 </html> | 41 </html> |
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